You may have heard that the maintainer of med-mastodon.com, a large, prominent Mastodon server, recently decided to shut down the server without warning, leaving his users with no access to their data.
[EDIT: it's back up! Ref: https://mastodonapp.uk/@wild1145/115844028613413319]
This could happen to you at any time.
If you care about this, you should be backing up your data regularly.
Here's a post I just wrote about how to do that, and about what you can do with your backed-up data.
#FediTips
https://blog.kamens.us/2026/01/02/the-why-and-how-of-backing-up-your-mastodon-data/